untutored
🇺🇸
/ˌʌnˈtuːtərd/
🇬🇧
/ˌʌnˈtjuːtəd/
Someone who is untutored has not been formally taught.
An untutored person might find it hard to understand complex math problems.
一个未受教育的人可能会发现难以理解复杂的数学问题。